Ever wondered how your favorite chefs make magic happen in the kitchen? Chef demonstrations happening daily at the Sonoma-Marin Fair promise to lift the veil on foodie secrets. Lilly and Audrey Andrews, nine-year-old "Twin Chefs" from Sonoma, kick off the week-long series on June 22 at 3:30pm, cooking up some of their "yummy, healthy" food (so forget about a tribute to the Olsen twins "Gimme Pizza").

Grown-up chefs doing demos include Josh Silvers of Petite Syrah and Jackson's Bar & Oven (Thursday, June 23, at 5pm), John Stewart and Duskie Estes of Zazu (Saturday, June 25, at 2pm) and Michael Tusk of Quince (Sunday, June 26, at 2pm). The fair runs June 22-26 at the Sonoma-Marin Fairgrounds. 175 Fairgrounds Drive, Petaluma. 707.283.3247. www.sonoma-marinfair.org.

Kick off summer by feasting on gourmet foods, rare wines and sweet treats at Mill Valley Wine and Gourmet Food tasting. Started in 1981 as a "little wine and cheese" gathering, the event has grown into a full-blown gastronomic carnival for wine and food enthusiasts. Local chefs, food vendors and vintners from all over the West Coast and the world converge to share their fare.

In homage to the North Bay's new distinction as "beer country," this year marks the first appearance of artisan and craft beers, with Lagunitas Brewing Company, Mill Valley Beerworks, Iron Springs Brewery, Anderson Valley Brewery and others pouring samples of their tasty brews. The 30th Annual Mill Valley Wine & Gourmet Food Tasting takes place on Sunday, June 26, at the Depot Plaza. Miller and Throckmorton avenues, Mill Valley. 1-4pm. $35-$45. 415.388.9700.

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